The y-intercept, in this case, represents when x is at 0, or when she just began observing.
Answer:
55.560
Step-by-step explanation:
I imputed the equation in my calculator
I run 1 mile every 6 minutes.
My friend runs 1 mile every 7 minutes.
Lowest Common Multiple: LCM ( 6, 7 ) = 42 minutes.
Me : 42 : 6 = 7 miles
My friend : 42 : 7 = 6 miles.
I need more information, do you know how high Jessie flew and how low under sea level she went?